Domain Security Architect

AWE plc; United States; Hybrid; USD 61,000 - 74,000; Full time

Benefits offered by this job

9-day fortnight

Pension scheme

Life assurance (4 x annual salary)

Professional development funding

Employee assistance programme

Job summary

Atomic Weapons Establishment is seeking a Domain Security Architect to design and maintain secure IT systems and networks across UK defence domains. The role requires translating business needs into secure, scalable solutions aligned with national security expectations and AWE roadmaps.

You will work with cross-functional teams, embed security across IT and OT, and travel as needed for overseas requirements.

Qualifications

• Degree and/or equivalent experience in IT, Engineering or Architecture.
• Experience in architecture or technical design roles.
• Ability to translate business requirements into high-quality technical solutions.
• Experience working in multi-disciplinary teams and governance processes.

Responsibilities

• Design, develop, and maintain secure IT systems and networks across the domain.
• Embed security across IT services aligned to roadmaps and reference architectures.
• Analyse cyber risks and support security testing with Information Assurance.
• Develop artefacts to enhance the IT Architecture function.
• Promote high team performance and an inclusive environment.
• Uphold safety, security and quality standards.

Skills

Architecture design

Security governance

Stakeholder engagement

Threat modelling

Overseas travel

Education

Degree or equivalent in IT/Engineering/Architecture

Tools

Modelling tools

Job description

Domain Security Architect – Location: RG7 4PR, located between Reading and Basingstoke, with free onsite parking. Package: Starting from £50,60p.a (depending on your suitability, qualifications, and level of experience). Working pattern: AWE operates a 9-day working fortnight. We will consider flexible working requests so that your work may fit in with your lifestyle. Just let us know your preferred working pattern on your application.

The Domain Security Architect is responsible for designing, developing, and maintaining secure IT systems and networks. This role ensures that security is embedded across the assigned business domain and aligns with both business objectives and national security expectations. The architect will contribute to the design of IT services aligned to the AWE security roadmaps, design patterns, and reference architectures that protect both IT and OT environments from global threats.

Key Accountabilities

• Security Requirements: Understand business objectives, user needs, and security obligations.
• Policies and Standards: Ensure IT service designs adhere to the enterprise security roadmaps and reference architectures.
• Technical Risk Oversight: Analyse cyber risks and support security testing in collaboration with Information Assurance.
• Capability Development: Research and deliver new artefacts to enhance the IT Architecture function.
• Performance and Inclusion: Promote high team performance and a diverse, inclusive environment.
• Health, Safety, Security and Quality: Uphold high standards in safety, health, and security.

Essential Criteria

• Degree and equivalent experience in IT, Engineering, or Architecture
• Demonstrated experience in architecture or technical design roles
• Experience working in multi-disciplinary teams and navigating governance processes
• Track record of developing secure, scalable, and standards-aligned solutions
• Ability to translate business requirements into high-quality technical solutions
• Understanding of architecture domains including application, data, infrastructure, and security
• Strong communication and stakeholder engagement skills
• Proficient in producing architecture artefacts using modelling tool
• Willing to undertake overseas travel

Benefits

• 9-day working fortnight – meaning you get every other Friday off work, in addition to 270 hours of annual leave.
• Market leading contributory pension scheme (we will pay between 9% and 13% of your pensionable pay depending on your contributions).
• Family friendly policies: Maternity Leave - 39 Weeks Full Pay and Paternity Leave - 4 Weeks Full Pay.
• Opportunities for Professional Career Development including funding for annual membership of a relevant professional body.
• Employee Assistance Programme and Occupational Health Services.
• Life Assurance (4 x annual salary).
• Discounts – access to savings on a wide range of everyday spending.
• Special Leave Policy including paid time off for volunteering, public service (including reserve forces) and caring.

All candidates must be willing and able to obtain and maintain the appropriate security clearance for this role.

You will need to obtain and maintain the necessary security clearance for the role. This will be funded by AWE. The nature of our work does mean you need to be a British Citizen who has been resident in the UK for the past 5 years in order to apply for SC clearance and 10 years for DV. We want you to feel comfortable and able to shine during our recruitment process. Please let us know on your application form if you need any adjustments/accommodations during the process.

We are at the start of a once in a generation – possibly two generations – programme to design and produce a replacement warhead for the UK’s continuous at sea deterrent. We will do this while continuing to deliver the Trident programme as well as managing ambitious state‑of‑the‑art capital and construction projects – some of which have never been done before. Find out more on our website.

We are an Armed Forces Covenant Gold Award Employer.

Please note that you must be a British Citizen to apply for a role with us.